Hillary M. Mamis, MS, RD, LDN

B.A    Kenyon College, Gambier, OH
M.S.  Boston University, Boston, MA

Hillary works in North Andover and sees clients in person and virtually.  She is also the consulting Dietitian at the Groton School in Groton, MA and at St. Ann’s Home in Methuen, MA.

Before joining Nutrition Factory, LLC, Hillary began her career in marketing, working for several companies including About.com and Everyday Health before finding her true passion: nutrition.   Hillary has worked as a member of the clinical team for the treatment of eating disorders at a Residential, Partial Hospital and Intensive Outpatient Programs in Cambridge, Massachusetts.  Hillary also creates and presents user-friendly nutritional programs for corporate wellness.

Hillary’s specialties include treating eating disorders/disordered eating, including ARFID, pediatric nutrition (picky eating, growth concerns and food allergies), non-diet approach to adult and pediatric weight management, and more.

Hillary lives locally with her husband and 3 young kids. She enjoys skiing, cooking, swimming, and traveling (when time permits).

Insurances Accepted*

  • Aetna
  • AllWays
  • Anthem, Blue Cross (CT, ME, NH, RI)
  • Blue Cross/Blue Shield
  • Cigna
  • CCA/Commonwealth Care Alliance
  • Fallon
  • Harvard Pilgrim Healthcare
  • Health Plans Inc.
  • Medicare B
  • Tufts Commercial Programs
  • Unicare
  • United Healthcare (only Harvard Pilgrim Affiliated Plans)
  • Wellsense

*Insurance plans vary for nutrition coverage. Please call us with your exact plan details to verify eligibility and coverage. Thank you!